EN中文
Spatial Differences and Trend of Emergy Input and Output Indices of Planting Eco-economic System in Major Grain Producing Area: A Case of Hebei Province
WANG Qian, JIN Xiao-bin, ZHOU Yin-kang
JOURNAL OF NATURAL RESOURCES . 2012, (1): 62 -73 .  DOI: 10.11849/zrzyxb.2012.01.007